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noah
Dodge Dakota
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2/26/2005
16:17:05
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 Subject: 4.7 Overheating
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Message:
The other day while I was driving my truck I looked down at the thermostat and everything was fine while I was on the interstate but when I got into town and slowed down at a couple of stop lights the temperature started to rise and kept rising for a little while because I was only driving less than 30 MPH but once I got up to 65 again the engine began to cool off and went back to normal. The truck has the 4.7 and has 65,000 miles on it. It has been maintained extremely well. I took it to the dealership and they said it was the fan clutch so they replaced it but I still have the same problem. Does anyone know what the cause could be???
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ido
Dodge Dakota
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2/26/2005
18:43:31
|  RE: 4.7 Overheating
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Message:
It could be your radiator is clogged. I`ve seen more than one person with the 4.7 post about it happening to them here.
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Kaderdak
GenIII
2/26/2005
23:31:46
| RE: 4.7 Overheating
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Message:
I had a clogged radiator over the summer, it took me forever to figure out what it was. Replaced the thermostat twice, replaced water pump, backflushed heater core, flushed entire system twice, all to no avail. I was even overheating on the interstate doing 75 miles an hour. I had to take the entire radiator out, take the reservoirs off the sides, and took the core to the car wash and blasted out the whole thing. After that it worked like a dream.
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GraphiteDak
GenIII
2/26/2005
23:42:49
| RE: 4.7 Overheating
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Message:
Scary. maybe I should go ahead and flush mine one of these days for "preventive" mainenance.
A few times this winter I could have sworn I got the "antifreeze smell" from my vents.
But after 27K miles I've never had to add any water however it is on the last indicator mark on the overflow tank. I hope our heater cores are not weak.
As far as getting a clogged radiator goes... Time to flush it looks like :-(
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Marcus Bowens
Dodge Dakota
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7/18/2006
00:06:11
| RE: 4.7 Overheating
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Message:
Check the core dimemsions of the radiator in your trucks. If it is only about 1" thick then that radiator should go in a V6. I had a thin one in my V8 dakota and it would overheat every summer. Well this summer I put a 1.5" thick one in and my truck is running great. It has not gotten to the halfway mark since
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tlc361
Dodge Dakota
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7/18/2006
00:18:55
|  RE: 4.7 Overheating
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Message:
I had similar problems. Did the flushes, thermostat.etc. etc...
The only thing which solved the problem was replacing the radiator.
My 4.7L Autotrans 4X4 runs cool again.
Saturday I was traveling back road of the mojave desert and climbing old mining roads in 114 degree heat and running normal temps with the A/C on. (well I turned the A/C off when climbing steep partically washed out mining roads).
TLC361
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kj
Dodge Dakota
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7/19/2006
19:28:30
| RE: 4.7 Overheating
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Message:
My 2000 runs hot in traffic on humid hot days. I just had the thermostat changed and the radiator flushed. It's just the nature of the beast. When you notice the gauge getting high turn on the air conditioning and that should turn the fan on and bring it down.
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